A series of 1 mm (0.04 in.) pitch timing belt pulleys are designed for miniature applications.
The metric pulleys, A 6A18M Series, are stocked in 17 different sizes ranging from 18 to 75 grooves. These clear anodized, aluminum alloy pulleys are designed for 3 and 6-mm (0.12 and 0.24 in.) wide belts. The pulleys are offered with double flange and no flange options, pitch diameters ranging from 5.73 to 23.87 mm (0.23 to 0.94 in.), and bore sizes ranging from 2 to 5 mm (0.08 to 2 in.). Pulleys with 18 to 45 grooves have one set screw, others have two at 90-deg.
